Bicycle frame for supporting a rider in prone position



FIG. 1 is a side view of a bicycle frame for supporting a rider in prone position, showing my new design, and showing in phantom outline a rider and wheels, not components of this invention,;

FIG. 2 is a top view thereof;

FIG. 3 is a front view thereof; and,

FIG. 4 is a rear view thereof. 

The ornamental design for a bicycle frame for supporting a rider in prone position, as shown and described. 